2015 Toyota SiennaService bulletins
2015 Toyota Sienna Technical Service Bulletins
347 technical service bulletins (TSBs) are on record for the 2015 Toyota Sienna. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10134080Jun 13, 2016Electrical system, Engine. Region Letter: The subject vehicles are equipped with an Oxygen Sensor which could experience wire degradation inside the Oxygen Sensor wiring harness caused by vehicle vibration during normal operation. If this occurs, the vehicle will illuminate the check engine light.
- 10134079Jun 13, 2016Electrical system, Engine. Region email: The subject vehicles are equipped with an Oxygen Sensor which could experience wire degradation inside the Oxygen Sensor wiring harness caused by vehicle vibration during normal operation. If this occurs, the vehicle will illuminate the check engine light.
- 10106410Jun 13, 2016Engine. Technical instructions: the subject vehicles are equipped with an oxygen sensor which could experience wire degradation inside the oxygen sensor wiring harness caused by vehicle vibration during normal operation. If this occurs, the vehicle will illuminate the check engine light.
- 10100730Jun 13, 2016Electrical system. Region letter: the subject vehicles are equipped with an oxygen sensor which could experience wire degradation inside the oxygen sensor wiring harness caused by vehicle vibration during normal operation. If this occurs, the vehicle will illuminate the check engine light.
- 10100729Jun 13, 2016Electrical system. Region email: the subject vehicles are equipped with an oxygen sensor which could experience wire degradation inside the oxygen sensor wiring harness caused by vehicle vibration during normal operation. If this occurs, the vehicle will illuminate the check engine light.
- 10134075Jun 9, 2016Electrical system. TT: Multimedia systems reset procedure should be performed when the multimedia system no longer responds or reboots itself.
- 10099947Jun 9, 2016Electrical system, Equipment. Tt: multimedia systems reset procedure should be performed when the multimedia system no longer responds or reboots itself.
- 10142479May 26, 2016Equipment, Electrical system. TSB: Some 2015 ? 2016 model year Avalon, Camry, Sienna, and Tundra vehicles equipped with Blind Spot Monitor may exhibit a Blind Spot Monitor Warning message with Diagnostic Trouble Code (DTC) C1AB2 Short to Ground in Outer Mirror Indicator (Master) or C1AB3 Short to Ground in Outer Mirror Indicator (Slave) stored. Follow the Repair Procedure in this bulletin to address this condition.
- 10140637May 26, 2016Lane departure, Equipment, Electrical system. TSB: Some 2015 ? 2016 model year Avalon, Camry, Sienna, and Tundra vehicles equipped with Blind Spot Monitor may exhibit a Blind Spot Monitor Warning message with Diagnostic Trouble Code (DTC) C1AB2 Short to Ground in Outer Mirror Indicator (Master) or C1AB3 Short to Ground in Outer Mirror Indicator (Slave) stored. Follow the Repair Procedure in this bulletin to address this condition.
- 10096922May 26, 2016Electrical system. Tsb: some 2015 2016 model year avalon, camry, sienna, and tundra vehicles equipped with blind spot monitor may exhibit a blind spot monitor warning message with diagnostic trouble code (dtc) c1ab2 short to ground in outer mirror indicator (master) or c1ab3 short to ground in outer mirror indicator (slave) stored. Follow the repair procedure in this bulletin to address this condition.
- 10142464May 19, 2016Equipment, Body and structure. TSB: On some vehicles, when Rapgard? is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
- 10140622May 19, 2016Body and structure. TSB: On some vehicles, when Rapgard? is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
- 10096862May 19, 2016Equipment. Tsb: on some vehicles, when rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
- 10140580May 11, 2016Equipment. TSB: Some 2014 model year applicable vehicles equipped with Entune? Audio (version 010169) / Entune? Audio Plus (version 010171) / Entune? Premium Audio (version 010185) may exhibit one or more of the following conditions.
- 10134053May 11, 2016Electrical system. TSB: OBSOLETE NOTICE: This bulletin is now obsolete. Please see T-SB-0035-16.
- 10097901May 11, 2016Electrical system, Equipment. Tsb: obsolete notice: this bulletin is now obsolete. Please see t-sb-0035-16.
- 10092764May 11, 2016Equipment. Tsb: some 2014 model year applicable vehicles equipped with entune audio (version 010169) / entune audio plus (version 010171) / entune premium audio (version 010185) may exhibit one or more of the following conditions.
- 10140568May 4, 2016Electrical system. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
- 10140565May 4, 2016Electrical system, Vehicle speed control. TSB: Some 2014 - 2016 Sienna vehicles may exhibit an intermittent cruise control stalk illumination flicker condition. Please follow the Repair Procedure in this bulletin to address this condition.
- 10092681May 4, 2016Vehicle speed control, Equipment. Tsb: some 2014 - 2016 sienna vehicles may exhibit an intermittent cruise control stalk illumination flicker condition. Please follow the repair procedure in this bulletin to address this condition.
- 10134415Apr 26, 2016Equipment. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
- 10134401Apr 13, 2016Transmission and drivetrain. TSB: This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature. Note: The following adjustment procedures are for U660E/F and U760E/F transmissions.
- 10134308Mar 30, 2016Vehicle speed control. TSB: Some 2014 ? 2016 model year Sienna vehicles may exhibit an intermittent cruise control stalk illumination flicker condition. Please follow the Repair Procedure in this bulletin to address the condition.
- 10096981Mar 30, 2016Vehicle speed control, Electrical system. Tsb: some 2014 2016 model year sienna vehicles may exhibit an intermittent cruise control stalk illumination flicker condition. Please follow the repair procedure in this bulletin to address the condition.
- 10134307Mar 25, 2016Transmission and drivetrain. TSB: Some 2015 ? 2016 model year Sienna vehicles may exhibit a grease leak where grease is coming through the boot clamp area on the big end of the outboard front axle shaft joint. Follow the Repair Procedure in this bulletin to address the condition.
- 10096967Mar 25, 2016Transmission and drivetrain. Tsb: some 2015 2016 model year sienna vehicles may exhibit a grease leak where grease is coming through the boot clamp area on the big end of the outboard front axle shaft joint. Follow the repair procedure in this bulletin to address the condition.
- 10134322Mar 16, 2016Equipment, Electrical system. TT: Some vehicles may exhibit an error message when trying to perform a radio software update: "Unable to update the software. Please try again later." If the following screen is seen, follow the directions below.
- 10097057Mar 16, 2016Equipment. Tt: some vehicles may exhibit an error message when trying to perform a radio software update: "unable to update the software. Please try again later." if the following screen is seen, follow the directions below.
- 10134321Mar 8, 2016Electrical system. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
- 10134320Mar 8, 2016Electrical system. TT: Some customers may encounter Bluetooth connectivity concerns such as: ? Difficulty pairing the phone. ? Intermittent Bluetooth failure to connect when first turning on the vehicle. ? Various Bluetooth Audio functions are no longer functioning with the customer?s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone.
- 10097055Mar 8, 2016Equipment. "tt: since my 2011, several different update or upgrade usb ssts have been issued for toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued usb ssts and their applicability. "
- 10097052Mar 8, 2016Equipment. "tt: some customers may encounter bluetooth connectivity concerns such as: difficulty pairing the phone. intermittent bluetooth failure to connect when first turning on the vehicle. various bluetooth audio functions are no longer functioning with the customers phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customers phone.
- 10134281Feb 25, 2016Electrical system. Tech Tip: This Tech Tip is being provided to bring attention to the new location of the Entune/NAV/Map Update and Upgrade USB Directory. Click on the TIS tab, Diagnostics tab, Telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document.
- 10093361Feb 25, 2016Electrical system, Equipment. "tech tip: this tech tip is being provided to bring attention to the new location of the entune/nav/map update and upgrade usb directory. Click on the tis tab, diagnostics tab, telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document. "
- 10134140Jan 11, 2016Electrical system. Tech Tip: Some customers may experience difficulty programming HomeLink.
- 10096097Jan 11, 2016Equipment. Tech tip: some customers may experience difficulty programming homelink.
- 10152268Dec 7, 2015Equipment. TT: For customer concerns of no or poor outgoing sound from the Bluetooth systems there are diagnostics in the repair manual which can be performed to diagnose the condition.
- 10152267Dec 7, 2015Latches, locks and linkages. TT: Sliding Door will not latch in the closed position due to either front and/or rear lock malfunctioning. Please see link references of video for example condition and diagnosis instruction.
- 10093565Dec 7, 2015Body and structure, Latches, locks and linkages. Tt: sliding door will not latch in the closed position due to either front and/or rear lock malfunctioning. Please see link references of video for example condition and diagnosis instruction.
- 10152248Dec 2, 2015Seats. TSB: December 2, 2015: This bulletin is now obsolete. Please see T-SB-0118-15.
- 10152246Dec 2, 2015Seats. TSB: Some 2011 ? 2015 model year Sienna vehicles may exhibit a condition where the driver side 2nd row seat with the tip-up style lower seat cushion has excessive up and down movement. While some seat movement is a normal characteristic of the design, this bulletin will help identify excessive movement and provide steps to address this condition.
- 10093483Dec 2, 2015Seats. Tsb: december 2, 2015: this bulletin is now obsolete. Please see t-sb-0118-15.
- 10093478Dec 2, 2015Seats. Tsb: some 2011 2015 model year sienna vehicles may exhibit a condition where the driver side 2nd row seat with the tip-up style lower seat cushion has excessive up and down movement. While some seat movement is a normal characteristic of the design, this bulletin will help identify excessive movement and provide steps to address this condition.
- 10152266Dec 1, 2015Equipment. TT: Some customers may experience poor outgoing Bluetooth sound quality, this can occur for various reasons. Current multimedia systems are designed with the ability to adjust Bluetooth sound quality to compensate for Echo or excessive background noise.
- 10152265Dec 1, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SST's have been issued for Toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
- 10093563Dec 1, 2015Equipment. Tt: some customers may experience poor outgoing bluetooth sound quality, this can occur for various reasons. Current multimedia systems are designed with the ability to adjust bluetooth sound quality to compensate for echo or excessive background noise.
- 10093540Dec 1, 2015Equipment. "tt: since my 2011, several different update or upgrade usb sst's have been issued for toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued usb ssts and their applicability. "
- 10111521Oct 15, 2015Equipment. TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle's systems and components. Any problems that are found should be corrected immediately.
- 10096246Oct 15, 2015Equipment. "tsb: long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately."
- 10111547Oct 13, 2015Equipment. TT: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Condition tends to occur to customers who have many previous text messages on their phones.
← All problems reported for the 2015 Toyota Sienna
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.